This will likely never be possible as apps will rely on data to stream the sound and there were always be a delay. Also everybody's devices buffers differently. FM radio is the only instant sound source.
Thank you for your response.
No app. Sound is broadcast over low power FM radio.
No
I don't have an answer for that 😣. I will see if My phone has one
Maybe if you download a FM radio app and tune in.
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